Title

Simulation of residual chlorine concentration in the water distribution network of Surigao Metropolitan Water District (SMWD) using EPANET

Date of Publication

2015

Document Type

Bachelor's Thesis

Degree Name

Bachelor of Science in Civil Engineering with Spec in Hydraulics and Water Resources Engg

College

Gokongwei College of Engineering

Department/Unit

Civil Engineering

Thesis Adviser

Renan Ma. T. Tanhueco

Defense Panel Chair

Lessandro Estelito O. Garciano
Jason Maximo C. Ongpeng

Defense Panel Member

Gerardo L. Augusto
Mario P. De Leon

Abstract/Summary

Although tests for chlorine residual is done daily by Surigao Metropolitan Water District (SMWD), there had been no study on the residual distribution and patterns within the entire system under different operational demands. The researchers want to find out the behavior of chlorine concentration and its distribution in the system by using computer simulations. With this, it hopes to identify, analyze and visualize chlorine residual behavior corresponding to charges in flow and pressure, and suggest directions to improve monitoring and assessment.

Results show that different system operations trigger different behaviors of chlorine concentration thus affecting the chlorine residual values. Simulation results generally confirm the field test results for chlorine residual at tapping points under each of three scenarios in different barangays. However, barangays Canlanipa and Cagniog have averages of 0.8 ppm and pass water standards, but in simulations they show low chlorine residuals (less than 0.3ppm) especially under scenarios 2 and 3 were distribution pressures are higher. Barangays Mabua and Sabang appear to show low chlorine residual (less than 0.3ppm) both in field and in simulations and may indicate real under dosage towards these far-ends of Surigao City. Field tests for pressure, flow and chlorine residual are needed to calibrate the model further.

Abstract Format

html

Language

English

Format

Print

Accession Number

TU18975

Shelf Location

Archives, The Learning Commons, 12F, Henry Sy Sr. Hall

Physical Description

viii, 98 leaves : illustrations (some color) ; 31 cm.

Keywords

Water--Purification--Chlorination--Philippines--Surigao

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